63385393 has 4 divisors (see below), whose sum is σ = 63403840. Its totient is φ = 63366948.

The previous prime is 63385373. The next prime is 63385423. The reversal of 63385393 is 39358336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63385393 - 2¹³ = 63377201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63385313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (15850960).

Almost surely, 2^63385393 is an apocalyptic number.

It is an amenable number.

63385393 is a deficient number, since it is larger than the sum of its proper divisors (18447).

63385393 is a wasteful number, since it uses less digits than its factorization.

63385393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18446.

The product of its digits is 174960, while the sum is 40.

The square root of 63385393 is about 7961.4943948985. The cubic root of 63385393 is about 398.7154479811.

The spelling of 63385393 in words is "sixty-three million, three hundred eighty-five thousand, three hundred ninety-three".